clarified inline doc for streaming

This commit is contained in:
Yann Collet 2016-09-05 17:39:56 +02:00
parent a4c212c001
commit fa72f6bdce

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@ -200,7 +200,7 @@ typedef struct ZSTD_outBuffer_s {
* Use ZSTD_initCStream_usingDict() for a compression which requires a dictionary.
*
* Use ZSTD_compressStream() repetitively to consume input stream.
* The function will automatically update both `pos`.
* The function will automatically update both `pos` fields.
* Note that it may not consume the entire input, in which case `pos < size`,
* and it's up to the caller to present again remaining data.
* @return : a size hint, preferred nb of bytes to use as input for next function call
@ -250,14 +250,15 @@ ZSTDLIB_API size_t ZSTD_endStream(ZSTD_CStream* zcs, ZSTD_outBuffer* output);
* or ZSTD_initDStream_usingDict() if decompression requires a dictionary.
*
* Use ZSTD_decompressStream() repetitively to consume your input.
* The function will update both `pos`.
* Note that it may not consume the entire input (pos < size),
* in which case it's up to the caller to present remaining input again.
* The function will update both `pos` fields.
* Note that it may not consume the entire input, in which case `pos < size`,
* and it's up to the caller to present again remaining data.
* @return : 0 when a frame is completely decoded and fully flushed,
* 1 when there is still some data left within internal buffer to flush,
* >1 when more data is expected, with value being a suggested next input size (it's just a hint, which helps latency, any size is accepted),
* or an error code, which can be tested using ZSTD_isError().
*
* an error code, which can be tested using ZSTD_isError(),
* any value > 0, which means there is still some work to do to complete the frame.
* In general, the return value is a suggested next input size (merely a hint, to help latency).
* 1 is a special value, which means either "there is still some data to flush", or "need 1 more byte as input".
* To deduct the meaning of "1", start by flushing. If there is nothing left to flush and result is still "1", it means "need 1 more byte".
* *******************************************************************************/
typedef struct ZSTD_DStream_s ZSTD_DStream;